Question

(x-y)(x2 + xy + y2)

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Answer 1

Answer:

x^3-y^3                  [^ means to the power of ]

Step-by-step explanation:

(x-y)(x^2+xy+y^2)                           [^ means to the power of ]

=x^3-y^3                            

Answer 2

(x+y)(x

2

−xy+y

2

)

=x(x

2

−xy+y

2

)+y(x

2

−xy+y

2

)

=x

3

−x

2

y+xy

2

+x

2

y

−

xy

2

+y

3

=x

3

+y

3